On Mon, 16 Mar 2026 16:30:26 GMT, Damon Fenacci <[email protected]> wrote:
> # Issue
> Many AppCDS test asserts with `assert(false) failed: Address
> 0x00007f0dfc2923e0 for <unknown>/('verify_oop: r11: broken oop oop_result,
> "broken oop in call_VM_base"
> (src/hotspot/cpu/x86/macroAssembler_x86.cpp:1353)') is missing in AOT Code
> Cache addresses table` when run with `-Xcomp --enable-preview`
>
> # Cause
> The crash happens during AOT cache dumping seemingly because
> `-XX:+VerifyOops` causes the adapter to use addresses that the AOT doesn't
> know about. In particular, `verify_oop`/`verify_oop_addr` add a message
> C‑string and reference the verify‑oop stub entry.
> `AOTCodeCache::write_relocations()` tries to serialize those relocations,
> `AOTCodeAddressTable::id_for_address()` can’t resolve them and crashes.
> In this case the issue happens with `--enable-preview` because it creates an
> adapter for scalarized arguments and, after creating the oop from the
> arguments, `get_vm_result_oop` invokes `verify_oop_msg`. Without
> `--enable-preview` the path is never taken and the missing "registration"
> isn’t exercised (I fear that this crash could potentially be triggered by
> some other (non preview) code but the fix doesn't need to distinguish between
> preview/non-preview).
>
> # Fix
> Instead of making the two addresses used by `verify_oop_msg` "visible" to AOT
> we disable AOT code generation if both VerifyOops and
> InlineTypePassFieldsAsArgs are true.
>
> # Testing
> Tier 1-3+
> Failing CDS tests before and after
This pull request has now been integrated.
Changeset: f12276a5
Author: Damon Fenacci <[email protected]>
URL:
https://git.openjdk.org/valhalla/commit/f12276a5515436f60bbd8766df1e6ab72e03669f
Stats: 8 lines in 1 file changed: 4 ins; 2 del; 2 mod
8379913: [lworld] AppCDS test asserts with -Xcomp --enable-preview
Reviewed-by: kvn, thartmann
-------------
PR: https://git.openjdk.org/valhalla/pull/2233
